Question about GE Spacemaker JVM1640SJ Microwave Oven

3 Answers

GE Spacemaker Oven shuts off after 3 min

My GE spacemaker oven shuts off after 3 minutes when cooking on high, then resets itself 10-15 min later.

I don't think that I hear a fan spinning when the microwave is on - could it be overheating? If the answer is yes, how should I repair this?

Thanks Appliance Experts!

Jeff

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  • Anonymous Feb 20, 2008

    I have the same problem! Any ideas?

  • martyb704 Feb 27, 2008

    My microwave basically starts to work and then shuts off as if there was a power failure. It comes right back on but asks you to reset the clock, etc. It makes for a nice built in clock but a terrible microwave as it won't run long enough to cook anything.

  • Anonymous Apr 01, 2008

    My GE Spacemaker worked fine for about 1 year. Now it turns off around 3 mins and restarts after an hour or so.

  • Anonymous Mar 19, 2014

    bought and installed a used 10 year old working ge oven/mircowave unit; we use the microwave one and the board keeps shutting itself off; could we have fried the board? How is tat possible?

  • Anonymous Mar 21, 2014

    Microwave shuts off after 2-3 minutes and doesn't come back on until 15 minutes later. Any ideas?

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Had one of these brought into shop. Customer complained it would run for 3 minutes (on high), then would shutdown and clock would reset. We noticed that there was no fan sound coming from it when we first ran it. Bingo! found magnatron cooling fan blade came off the motor shaft. After getting into it, found that there was no E-clip or any other fastener. The blade was glued on only. So we used a two part 5 minute epoxy glue and reattached, let glue cure and ran repeatedly to make sure no damage had occured to Magnatron or supporting components. All is well now! Hope this helps someone.
Jay

Posted on Apr 09, 2008

  • konnoclan Jul 19, 2012

    I am having this problem too. Can it be fixed without taking microwave down from cabinet? Are there any parts I should have on hand before attempting the repair?

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I have a GE microwave oven I purchased at Wal-Mart for ( I think) $50.00. It started shutting itself off after a few seconds, and got progressively worse.

I opened it up and noticed a temperature switch on the magnetron. This switch interrupts power to the whole unit when it opens on high temperature.

I jumpered the leads (bypassing the temperature switch), and it ran fine for a minute with a coffee cup of water for a load. Before it would switch off after only 5 seconds.

Yes the magnetron gets warm, but how warm is normal? I don't know. It felt like about 150 degrees F to me after a minute's operation.

The temperature switch has the numbers "150" stamped in it, so that may be 150 F or 150 C. I'm guessing 150 C, which is about 300 F

I thought "maybe the temperature switch is just getting weak". I noticed a second similar temperature switch on the far side of the microwave, where the air exits the oven. It had "100" stamped in it, but just for laughs I swapped it with the "150" switch mounted on the magnetron.

Well ,it works great, with my test of heating a coffee cup full of water for a minute.

I will shop for a proper replacement temperature switch. Meanwhile, I can get some limited use from my microwave, under a watchful eye of course.

Posted on Mar 23, 2008

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TO RYNEAU:

The cooling fan is critical! If the magnetron overheats too much or too often, it can fail, and that adds to the repair cost.

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

There should also be a very helpful "mini-manual" hidden inside the unit behind the control panel. It's very helpful when troubleshooting.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

We're happy to help and we appreciate your thoughtful rating of our answer.

TO MARTYB704 & GUEST:

I think you have a different problem than Ryaneau.

This is usually due to a defective or loose magnetron causing electrical interference and disruption in the control circuit board.

If your magnetron was recently replaced, it may have loose mounting nuts or bolts or maybe the wire mesh RF gasket was not installed or got

pinched.

It may also need a new high-voltage diode and stirrer, and the cavity may be affected.

GE had a campaign (but not a recall, mind you!) covering several models.

Details are in their bulletin at http://207.234.249.73/mwd/ge_mw_mag_kit_bulletin.pdf

Even if your model is not on the list, the same problem can occur, requiring a kit. I just think the difference is that GE has stopped paying

for the repairs.

The parts kit (that GE used to pay for) is part # WB27X10489 and is shown here: http://207.234.249.73/mwd/wb27x10489_ge_mag_stir_kit.jpg

If you or a friend decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is

at our listing here on FixYa: http://tinyurl.com/yzjozk

There should also be a very helpful "mini-manual" hidden inside the unit behind the control panel. It's very helpful when troubleshooting.

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Mar 04, 2008

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